Security readout for executives and security teams
Plain-English summary
A low-privileged, authenticated Plesk user can exploit the XML-RPC API to access database information and potentially take full control of the management panel. Because Plesk panels administer hosted systems and accounts, successful compromise could have broad operational and data-security consequences.
Executive priority
Treat as an urgent remediation item for exposed or multi-tenant Plesk panels. Prioritize asset identification, vendor-version confirmation, access restriction, and patching. Escalate suspected compromise for incident response because the reported outcome includes arbitrary database disclosure and full panel compromise.
Technical view
CVE-2026-58046 is a CWE-89 SQL injection vulnerability caused by improper input neutralization in Plesk's XML-RPC API. It is remotely exploitable with low privileges, requires no user interaction, and has a CVSS 3.1 score of 9.9. The supplied description states that arbitrary Plesk database data can be read, leading to full panel compromise.
Likely exposure
Exposure requires a Plesk deployment with the vulnerable XML-RPC API behavior and valid low-privileged credentials. Network-accessible panels and environments granting panel access to customers or other partially trusted users warrant particular attention. The supplied affected-version value is not meaningful enough to identify vulnerable releases reliably.
Exploitation context
The vulnerability has a low-complexity, network-based attack path, but authentication is required. The source bundle does not show CISA KEV inclusion and provides no evidence of active exploitation. Credential theft or abuse of legitimate low-privileged accounts could satisfy the prerequisite.
Researcher notes
The CVSS vector is CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H. The advisory title characterizes the flaw as blind SQL injection. Exact vulnerable and fixed versions are not established by the supplied structured affected data, which lists only "0"; consult the vendor advisory before making version-specific conclusions.
Mitigation direction
- Consult the linked Plesk advisory for confirmed affected releases and vendor remediation instructions.
- Apply the vendor-provided security update promptly after confirming applicability.
- Restrict XML-RPC API and panel access to trusted networks and users where operationally feasible.
- Review and remove unnecessary low-privileged panel accounts and credentials.
Validation and detection
- Inventory Plesk installations and record their exact product and update versions.
- Compare each installation against the affected releases listed in current Plesk guidance.
- Confirm whether the XML-RPC API is enabled and reachable by low-privileged accounts.
- Review panel authentication and database-access telemetry for unexplained activity.
- Verify the vendor update is installed and normal panel operations still function.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-89: Database access and collection lookup
Injection into data stores can inform collection, data access, and exfiltration detection reviews. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupDatabase behavior lookup
The CVE wording references database injection or access, so collection and exfiltration review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2026-58046 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Critical
- CVSS
- 9.9 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H3.16hackeroneVulnerability scoring details
Base CVSS 3.1 score
9.9CriticalVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.